<!DOCTYPE html>
<html>
  <head>
    <title>Floating UI Tutorial</title>
  </head>
  <body>
    <button id="button" aria-describedby="tooltip">
      My button
    </button>
    <div id="tooltip" role="tooltip">My tooltip</div>
 
    <script type="module">
      // Your code will go here.
    </script>
  </body>
</html>